Comparison of proteomic biomarker panels in urine and serum for ovarian cancer diagnosis

Anette Lykke Petri, Anja Hviid Simonsen, Estrid Høgdall, Ib Jarle Christensen, Susanne Krüger Kjaer, Christine Yip, Signe Normann Risum, Anette Tønnes Pedersen, Dorte Hartwell, Eric T Fung, Claus Høgdall

    20 Citations (Scopus)

    Abstract

    Purpose: The purposes of this study were to confirm previously found candidate epithelial ovarian cancer biomarkers in urine and to compare a paired serum biomarker panel and a urine biomarker panel from the same study cohort with regard to the receiver operating characteristic curve (ROC) area under the ROC curve (AUC) values. Experimental design: Four significant urine biomarkers were confirmed among 130 pelvic mass patients in the present study. The four biomarkers form a potential urine biomarker panel. From the same study cohort, the potential urine biomarker panel was compared to a serum biomarker panel, consisting of seven proteins/peptides, OvaRI. Results: Multivariate analysis of the urine panel demonstrated a significant differentiation (po0.0001) between epithelial ovarian cancer patients and patients with benign ovarian pelvic masses.The ROC AUC of the urine panel was 0.84 and the ROC AUC of OvaRI was 0.83. Combining the urine panel with OvaRI demonstrated a significant contribution from both, for urine peaks, OR = 2.12 and for OvaRI, OR = 1.39; the ROC AUC of this model was 0.88. Conclusions and clinical relevance: We demonstrated that both urine and serum can be used individually or in combination to potentially aid in ovarian cancer diagnostics. Urine proteomic profiling could provide biomarkers for the non-invasive test required in clinical practice.

    Original languageEnglish
    JournalProteomics - Clinical Applications
    Volume4
    Issue number3
    Pages (from-to)304-14
    Number of pages11
    ISSN1862-8346
    DOIs
    Publication statusPublished - 1 Mar 2010

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